Subtract 4/72 from 3/16
3/16 - 4/72 is 19/144.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 72 is 144
Next, find the equivalent fraction of both fractional numbers with denominator 144 - For the 1st fraction, since 16 × 9 = 144,
3/16 = 3 × 9/16 × 9 = 27/144 - Likewise, for the 2nd fraction, since 72 × 2 = 144,
4/72 = 4 × 2/72 × 2 = 8/144 - Subtract the two like fractions:
27/144 - 8/144 = 27 - 8/144 = 19/144
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/16-4/72 3/16-8/72 3/32-4/72 9/16-4/72 3/16-12/72 3/48-4/72 15/16-4/72 3/16-20/72 3/80-4/72 21/16-4/72 3/16-28/72